Certis CISCO Security's discriminatory job advertisement for project engineer

Transitioning.org, 7 Dec 2011
Certis CISCO Security Technology Pte Ltd via Jobstreet has recently posted a discriminating advertisement on their website advertising for project engineer (regional) position asking only PRC to apply for the vacancy (please see the advertisement proper below). The discriminating content is highlighted in red below.
According to the advertisement, the position is meant for their regional expansion in Malaysia. Full story